Cold feet on a winter walk are rarely about the cold alone. They're usually about damp, a sock that's too tight, or both. Boots get the attention. The sock does most of the work.
1. Start with the fibre
Not cotton. It soaks up sweat and stops insulating once wet, and on a winter walk your feet sweat more than you'd think. Use alpaca or merino.
For properly cold days, alpaca has the edge. The fibre is partly hollow, so it traps air and is warmer for its weight. Merino is the better all-rounder if you walk fast or climb hard and run warm.
2. Thicker isn't always warmer
This is the one most people get wrong. If a thick sock squeezes your foot inside the boot, it flattens its own insulation and restricts circulation. Feet get colder, not warmer. The same goes for two pairs. One well-fitting sock with room to move your toes beats two crammed in.
3. Height
The sock should finish above the boot cuff. Otherwise the boot rubs bare skin and you lose warmth at the ankle. For wellies, go higher.
4. Cushioning where it counts
Heel, ball of the foot, toe. Cushioning there takes the jolt out of frozen ground and adds insulation underfoot, which is where cold gets in first.
5. Fit
Too big and it bunches and blisters. Too small and it cuts circulation. Snug through the arch, nothing loose at the heel. More in our anti-blister socks guide.
On the walk
- Carry a spare pair in a dry bag. Change at lunch on long or wet days.
- Keep boots proofed. A sock can't fix water coming through the upper.
- If your toes go numb, loosen the laces a little. Tight lacing restricts circulation.
- Warm your feet early. It's easier to keep warmth than to get it back.
Our winter walking socks
- Alpaca Boot Socks: cushioned and boot length, for cold and wet days, wellies and work boots.
- Merino Boot Sock: cushioned sole and a ribbed leg that stays up, for walkers who run warm.
- Merino Boot Sock Bundle: so the spare pair is never the dirty pair.
If cold feet follow you home, see socks for cold feet and our thermal socks guide. For the year-round picture, read how to choose walking socks.
